package cn.zwx.security.example.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @description:
 * @projectName:spring-boot-security-example
 * @see:cn.zwx.security.example.utils
 * @author:zhangwenxue
 * @createTime:2021/6/23 16:34
 * @version:1.0
 */
@Component
public class SpringUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringUtil.applicationContext = applicationContext;
    }


    //通过name获取 Bean.
    public static Object getBean(String name){
        return applicationContext.getBean(name);
    }

    //通过class获取Bean.
    public static <T> T getBean(Class<T> clazz){
        return applicationContext.getBean(clazz);
    }

    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name,Class<T> clazz){
        return applicationContext.getBean(name, clazz);
    }
}
